MiSTer FPGA Forum

I can see just the black screen, when the Spectrum core runs the rom file from distribution directory is in /games/Spectrum/ directory on SD. TV supports both PAL and NTSC modes, and when I push the menu key, the OSD appears. Sometimes a stripes like graphics appears, growing from higher addresses. Just like Z80's SP is flooding. Can you tell me wh...

Is this a specific version that you implemented, like the PMD 85-1? Yeah, there are several versions of PMD85: 1 uses 48K RAM. Tape recorder modulator and demodulator is full hardware. user just sends and reads the UART i8251 and the hardware makes Manchester like modulation... short between edges=the same bit level as before, double between edges...

I am thinking of porting next Czech computer, TNS GC but I have problems with floppy WD2797 implementation.